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2 Questions I can't figure out
by oxvt » Wed Feb 25, 2009 3:25 am
xy+z = x(y+z) why must x=1 or z=0? 2^x - 2^x-2 = 3(2^x13) why does x...
1
Last post by DanaJ
Wed Feb 25, 2009 3:55 am
Wed Feb 25, 2009 3:55 am
What is the original number?
by sanju09 » Wed Feb 25, 2009 2:30 am
The difference between the value of a number increased by 12.5% and...
2
Last post by bmlaud
Wed Feb 25, 2009 2:47 am
Wed Feb 25, 2009 2:47 am
divisor leaves a remainder
by sanju09 » Tue Feb 24, 2009 4:53 am
A number when divided by a divisor leaves a remainder of 24. When...
8
Last post by sanju09
Wed Feb 25, 2009 2:15 am
Wed Feb 25, 2009 2:15 am
9, 40 and 41
by sanju09 » Tue Feb 24, 2009 4:39 am
What is the radius of the circle that circumscribes the triangle,...
9
Last post by sanju09
Wed Feb 25, 2009 2:05 am
Wed Feb 25, 2009 2:05 am
|2x + 3| > |7x - 2|
by sanju09 » Tue Feb 24, 2009 4:26 am
What range of values of x will satisfy the inequality |2x + 3| >...
7
Last post by sanju09
Wed Feb 25, 2009 1:51 am
Wed Feb 25, 2009 1:51 am
Is the OA wrong?
by billzhao » Tue Feb 24, 2009 5:38 pm
I am wondering why the third statement is wrong? There must be 7...
2
Last post by Brent@GMATPrepNow
Tue Feb 24, 2009 7:36 pm
Tue Feb 24, 2009 7:36 pm
between 10^6 and 10^7
by sanju09 » Tue Feb 24, 2009 4:52 am
How many different positive integers exist between 10^6 and 10^7, the...
7
Last post by awesomeusername
Tue Feb 24, 2009 4:02 pm
Tue Feb 24, 2009 4:02 pm
PS
by satyasharma321 » Tue Feb 24, 2009 3:03 pm
Pls explain |-4| (|-20|-|5|)= A. -100 B. -60 C. 60 D. 75 E. 100 OA c...
1
Last post by awesomeusername
Tue Feb 24, 2009 3:10 pm
Tue Feb 24, 2009 3:10 pm
Algebra from OG
by Alex77 » Tue Feb 24, 2009 1:08 pm
Drum X is 1/2 full of oil and drum Y, which twice the capacity of...
3
Last post by Alex77
Tue Feb 24, 2009 2:53 pm
Tue Feb 24, 2009 2:53 pm
probability+
by mjjking » Tue Feb 24, 2009 9:05 am
9. The probability of pulling a black ball out of a glass jar is 1/X....
5
Last post by welcome
Tue Feb 24, 2009 1:20 pm
Tue Feb 24, 2009 1:20 pm
11^2 and 3^3 are factors
by sanju09 » Tue Feb 24, 2009 4:43 am
If both 11^2 and 3^3 are factors of the number a * 4^3 * 6^2 * 13^11,...
5
Last post by x2suresh
Tue Feb 24, 2009 1:04 pm
Tue Feb 24, 2009 1:04 pm
can anybody help about it?
by Alpturk » Sun Feb 22, 2009 3:28 pm
An income tax is 20% in the lowest bracket of net income and 25% on...
3
Last post by DanaJ
Tue Feb 24, 2009 12:34 pm
Tue Feb 24, 2009 12:34 pm
Permutation - combination problem
by desihokie » Thu Jan 17, 2008 8:11 pm
I always find these probs difficult. Here is the Q: 1. Joanna and...
8
Last post by welcome
Tue Feb 24, 2009 12:28 pm
Tue Feb 24, 2009 12:28 pm
Least number problem
by jfranco23 » Tue Feb 24, 2009 11:58 am
A researcher plans to identify each participant in a certain medical...
1
Last post by x2suresh
Tue Feb 24, 2009 12:00 pm
Tue Feb 24, 2009 12:00 pm
divided by 33
by sanju09 » Tue Feb 24, 2009 6:07 am
What is the remainder when 1044 * 1047 * 1050 * 1053 is divided by...
7
Last post by x2suresh
Tue Feb 24, 2009 11:56 am
Tue Feb 24, 2009 11:56 am
Probability: chosen at least twice?
by Alpha800 » Tue Aug 05, 2008 2:37 pm
18 children, including 9 girls and 9 boys, are watching a magician....
9
Last post by petra
Tue Feb 24, 2009 10:48 am
Tue Feb 24, 2009 10:48 am
binomal theory
by petra » Tue Feb 24, 2009 10:47 am
hi alll what is the binamoial theoy for probabilty ?
1
Last post by petra
Tue Feb 24, 2009 10:48 am
Tue Feb 24, 2009 10:48 am
Geometry Solids
by ButtersBC » Tue Feb 24, 2009 8:58 am
So I just finished up with a Math Review book and are we really...
4
Last post by DanaJ
Tue Feb 24, 2009 9:45 am
Tue Feb 24, 2009 9:45 am
Divisibility
by mjjking » Tue Feb 24, 2009 6:59 am
Is x divisible by 115? a. x is divisible by 25 b. x is divisible by...
2
Last post by sureshbala
Tue Feb 24, 2009 7:09 am
Tue Feb 24, 2009 7:09 am
divided by 33
by sanju09 » Tue Feb 24, 2009 6:04 am
What is the remainder when 1044 * 1047 * 1050 * 1053 is divided by...
2
Last post by ven4gmat
Tue Feb 24, 2009 7:02 am
Tue Feb 24, 2009 7:02 am
trailing zeros
by sanju09 » Tue Feb 24, 2009 5:58 am
How many trailing zeros will be there after the rightmost non-zero...
2
Last post by bluementor
Tue Feb 24, 2009 6:11 am
Tue Feb 24, 2009 6:11 am
integral divisors
by sanju09 » Tue Feb 24, 2009 5:56 am
How many integral divisors does the number 120 have? A. 14 B. 16 C....
1
Last post by bluementor
Tue Feb 24, 2009 5:59 am
Tue Feb 24, 2009 5:59 am
both math and science
by sanju09 » Tue Feb 24, 2009 4:28 am
In a class of 50 students, 10 did not opt for math. 15 did not opt of...
5
Last post by sanju09
Tue Feb 24, 2009 5:50 am
Tue Feb 24, 2009 5:50 am
Ps- It was time consuming
by jeevan.Gk » Tue Feb 24, 2009 1:57 am
Pls explain the approach... Other than trial and error approach. And...
3
Last post by ven4gmat
Tue Feb 24, 2009 5:38 am
Tue Feb 24, 2009 5:38 am
keystrokes
by sanju09 » Tue Feb 24, 2009 4:55 am
How many keystrokes are needed to type numbers from 1 to 1000? A....
2
Last post by sureshbala
Tue Feb 24, 2009 5:16 am
Tue Feb 24, 2009 5:16 am
Sam beats John
by sanju09 » Tue Feb 24, 2009 4:29 am
In a 100m race, Sam beats John by 4 seconds. On the contrary, if Sam...
2
Last post by sureshbala
Tue Feb 24, 2009 5:09 am
Tue Feb 24, 2009 5:09 am
one or more "7"
by sanju09 » Tue Feb 24, 2009 4:32 am
What is the probability that a 3-digit positive integer picked at...
1
Last post by sureshbala
Tue Feb 24, 2009 5:01 am
Tue Feb 24, 2009 5:01 am
"2's" in the series
by sanju09 » Tue Feb 24, 2009 4:35 am
If the terms of a series are either 2 or 24 and the sum of all the...
1
Last post by sureshbala
Tue Feb 24, 2009 4:45 am
Tue Feb 24, 2009 4:45 am
1 unit of electricity
by sanju09 » Tue Feb 24, 2009 4:24 am
The cost of 1 unit of electricity during a 4 year period is given...
1
Last post by bluementor
Tue Feb 24, 2009 4:44 am
Tue Feb 24, 2009 4:44 am
allowed to repeat
by sanju09 » Tue Feb 24, 2009 4:04 am
What is the sum of all 3 digit positive integers that can be formed...
1
Last post by sureshbala
Tue Feb 24, 2009 4:38 am
Tue Feb 24, 2009 4:38 am
Dave and Diana at work
by sanju09 » Tue Feb 24, 2009 4:07 am
If Dave works alone he will take 20 more hours to complete a task...
2
Last post by sureshbala
Tue Feb 24, 2009 4:34 am
Tue Feb 24, 2009 4:34 am
A tricky word problem
by billzhao » Tue Feb 24, 2009 2:03 am
My answer is (E). OA is (C). Please help to explain. Thanks.
1
Last post by sureshbala
Tue Feb 24, 2009 3:35 am
Tue Feb 24, 2009 3:35 am
ratios ans proportionates
by naaga » Tue Feb 24, 2009 1:51 am
. Four cups of milk are to be poured into a 2-cup bottle and a 4-cup...
1
Last post by sureshbala
Tue Feb 24, 2009 3:24 am
Tue Feb 24, 2009 3:24 am
Integer & Function
by relaxin99 » Mon Feb 23, 2009 5:15 pm
For every positive even integer n, the function h(n) is defined to be...
1
Last post by DanaJ
Tue Feb 24, 2009 1:47 am
Tue Feb 24, 2009 1:47 am
Arithmetic from 11th Edition
by jfranco23 » Mon Feb 23, 2009 4:14 pm
If m>0 and x is m percent of y, then, in terms of m, y is what...
5
Last post by x2suresh
Mon Feb 23, 2009 9:21 pm
Mon Feb 23, 2009 9:21 pm
Counting - Set Problem
by iikarthik » Fri Feb 20, 2009 10:07 pm
If a town,16 people own Fords and 11 People own Toyotas.If exactly 15...
5
Last post by x2suresh
Mon Feb 23, 2009 7:46 pm
Mon Feb 23, 2009 7:46 pm
Scale measure problem
by jfranco23 » Mon Feb 23, 2009 4:21 pm
On a scale that measures the intensity of a certain phenomenon, a...
2
Last post by welcome
Mon Feb 23, 2009 7:16 pm
Mon Feb 23, 2009 7:16 pm
Integer & Multiples
by relaxin99 » Mon Feb 23, 2009 5:16 pm
If n is a positive integer and the product of all the integers from 1...
3
Last post by welcome
Mon Feb 23, 2009 7:12 pm
Mon Feb 23, 2009 7:12 pm
Other Arithmetic problems from 11th edition
by jfranco23 » Mon Feb 23, 2009 4:17 pm
Seed mixture X is 40% ryegrass and 60% bluegrass by weight; seed...
1
Last post by billzhao
Mon Feb 23, 2009 5:55 pm
Mon Feb 23, 2009 5:55 pm
Function & Variable
by relaxin99 » Mon Feb 23, 2009 5:17 pm
For which of the following functions is f(x) = f(1-x) for all x? f(x)...
1
Last post by billzhao
Mon Feb 23, 2009 5:24 pm
Mon Feb 23, 2009 5:24 pm
Exponents (dealing with fractions)
by relaxin99 » Mon Feb 23, 2009 1:17 pm
(1/5)^m * (1/4)^18 = (1/2(10)^35) 17 18 34 35 36
3
Last post by bstalling
Mon Feb 23, 2009 2:30 pm
Mon Feb 23, 2009 2:30 pm
